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[Qemu-ppc] [PATCH v5 02/17] spapr: Generate FDT fragment for LMBs at con
From: |
Greg Kurz |
Subject: |
[Qemu-ppc] [PATCH v5 02/17] spapr: Generate FDT fragment for LMBs at configure connector time |
Date: |
Tue, 19 Feb 2019 18:17:43 +0100 |
User-agent: |
StGit/unknown-version |
Signed-off-by: Greg Kurz <address@hidden>
---
hw/ppc/spapr.c | 33 ++++++++++++++++++---------------
hw/ppc/spapr_drc.c | 1 +
include/hw/ppc/spapr.h | 4 +++-
3 files changed, 22 insertions(+), 16 deletions(-)
diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
index 00eb3b643c03..b92deee771b9 100644
--- a/hw/ppc/spapr.c
+++ b/hw/ppc/spapr.c
@@ -3333,14 +3333,26 @@ static void spapr_nmi(NMIState *n, int cpu_index, Error
**errp)
}
}
+int spapr_lmb_dt_populate(sPAPRDRConnector *drc, sPAPRMachineState *spapr,
+ void *fdt, int *fdt_start_offset, Error **errp)
+{
+ uint64_t addr;
+ uint32_t node;
+
+ addr = spapr_drc_index(drc) * SPAPR_MEMORY_BLOCK_SIZE;
+ node = object_property_get_uint(OBJECT(drc->dev), PC_DIMM_NODE_PROP,
+ &error_abort);
+ *fdt_start_offset = spapr_populate_memory_node(fdt, node, addr,
+ SPAPR_MEMORY_BLOCK_SIZE);
+ return 0;
+}
+
static void spapr_add_lmbs(DeviceState *dev, uint64_t addr_start, uint64_t
size,
- uint32_t node, bool dedicated_hp_event_source,
- Error **errp)
+ bool dedicated_hp_event_source, Error **errp)
{
sPAPRDRConnector *drc;
uint32_t nr_lmbs = size/SPAPR_MEMORY_BLOCK_SIZE;
- int i, fdt_offset, fdt_size;
- void *fdt;
+ int i;
uint64_t addr = addr_start;
bool hotplugged = spapr_drc_hotplugged(dev);
Error *local_err = NULL;
@@ -3350,11 +3362,7 @@ static void spapr_add_lmbs(DeviceState *dev, uint64_t
addr_start, uint64_t size,
addr / SPAPR_MEMORY_BLOCK_SIZE);
g_assert(drc);
- fdt = create_device_tree(&fdt_size);
- fdt_offset = spapr_populate_memory_node(fdt, node, addr,
- SPAPR_MEMORY_BLOCK_SIZE);
-
- spapr_drc_attach(drc, dev, fdt, fdt_offset, &local_err);
+ spapr_drc_attach(drc, dev, NULL, 0, &local_err);
if (local_err) {
while (addr > addr_start) {
addr -= SPAPR_MEMORY_BLOCK_SIZE;
@@ -3362,7 +3370,6 @@ static void spapr_add_lmbs(DeviceState *dev, uint64_t
addr_start, uint64_t size,
addr / SPAPR_MEMORY_BLOCK_SIZE);
spapr_drc_detach(drc);
}
- g_free(fdt);
error_propagate(errp, local_err);
return;
}
@@ -3395,7 +3402,6 @@ static void spapr_memory_plug(HotplugHandler
*hotplug_dev, DeviceState *dev,
sPAPRMachineState *ms = SPAPR_MACHINE(hotplug_dev);
PCDIMMDevice *dimm = PC_DIMM(dev);
uint64_t size, addr;
- uint32_t node;
size = memory_device_get_region_size(MEMORY_DEVICE(dev), &error_abort);
@@ -3410,10 +3416,7 @@ static void spapr_memory_plug(HotplugHandler
*hotplug_dev, DeviceState *dev,
goto out_unplug;
}
- node = object_property_get_uint(OBJECT(dev), PC_DIMM_NODE_PROP,
- &error_abort);
- spapr_add_lmbs(dev, addr, size, node,
- spapr_ovec_test(ms->ov5_cas, OV5_HP_EVT),
+ spapr_add_lmbs(dev, addr, size, spapr_ovec_test(ms->ov5_cas, OV5_HP_EVT),
&local_err);
if (local_err) {
goto out_unplug;
diff --git a/hw/ppc/spapr_drc.c b/hw/ppc/spapr_drc.c
index 66b965a0a7c2..634c28695a1c 100644
--- a/hw/ppc/spapr_drc.c
+++ b/hw/ppc/spapr_drc.c
@@ -700,6 +700,7 @@ static void spapr_drc_lmb_class_init(ObjectClass *k, void
*data)
drck->typename = "MEM";
drck->drc_name_prefix = "LMB ";
drck->release = spapr_lmb_release;
+ drck->dt_populate = spapr_lmb_dt_populate;
}
static const TypeInfo spapr_dr_connector_info = {
diff --git a/include/hw/ppc/spapr.h b/include/hw/ppc/spapr.h
index 659204ea93f0..0ec309da497e 100644
--- a/include/hw/ppc/spapr.h
+++ b/include/hw/ppc/spapr.h
@@ -764,9 +764,11 @@ void spapr_reallocate_hpt(sPAPRMachineState *spapr, int
shift,
void spapr_clear_pending_events(sPAPRMachineState *spapr);
int spapr_max_server_number(sPAPRMachineState *spapr);
-/* CPU and LMB DRC release callbacks. */
+/* DRC callbacks. */
void spapr_core_release(DeviceState *dev);
void spapr_lmb_release(DeviceState *dev);
+int spapr_lmb_dt_populate(sPAPRDRConnector *drc, sPAPRMachineState *spapr,
+ void *fdt, int *fdt_start_offset, Error **errp);
void spapr_rtc_read(sPAPRRTCState *rtc, struct tm *tm, uint32_t *ns);
int spapr_rtc_import_offset(sPAPRRTCState *rtc, int64_t legacy_offset);
- [Qemu-ppc] [PATCH v5 00/17] spapr: Add support for PHB hotplug, Greg Kurz, 2019/02/19
- [Qemu-ppc] [PATCH v5 03/17] spapr: Generate FDT fragment for CPUs at configure connector time, Greg Kurz, 2019/02/19
- [Qemu-ppc] [PATCH v5 02/17] spapr: Generate FDT fragment for LMBs at configure connector time,
Greg Kurz <=
- [Qemu-ppc] [PATCH v5 01/17] spapr_drc: Allow FDT fragment to be added later, Greg Kurz, 2019/02/19
- [Qemu-ppc] [PATCH v5 06/17] xics: Write source state to KVM at claim time, Greg Kurz, 2019/02/19
- [Qemu-ppc] [PATCH v5 07/17] spapr: Expose the name of the interrupt controller node, Greg Kurz, 2019/02/19
- [Qemu-ppc] [PATCH v5 08/17] spapr_irq: Expose the phandle of the interrupt controller, Greg Kurz, 2019/02/19
- [Qemu-ppc] [PATCH v5 09/17] spapr_pci: add PHB unrealize, Greg Kurz, 2019/02/19